GREAT PLANES Super Sportster 20, Instruction Book

Page: 25 / 44

18. D COVER THE MODEL
Remove any equipment that will be in the
way while you are covering. Make sure the model is
all final sanded and clean (use a tack cloth or rag to
pick up any dust) Use heat shrink covering material
and cover your Sportster. Follow the instructions
available with the covering. When the model is com-
pletely covered, reinstall the equipment you removed.
fit before you glue the two halves together When the
halves are Joined, sand lightly along the Join line on
the outside of the pant to get a smooth appearance
Use your wheel and measure and mark the
area to be cut out of the pant for the wheel opening
Cut out this area
Find the tape locations on the inside of the
pant in Figure 1 Use 60-100 coarse sandpaper and
sand the areas where you will put the tape.
19. D INSTALL ALL CONTROL SURFACES AND
CONTROL HORNS
Flex the hinges back and forth a few times
and then glue the hinges into the rudder and fin slots,
at the same time gluing the tiller arm of the tail wheel
into the rudder leading edge Lightly sand both sur-
faces of the hinges, put epoxy (or Slo-ZAP) into each
hinge slot and place the hinge in place Use 2-56
screws and backplate and attach the nylon horn to
the rudder over the tail wheel tiller arm position for
extra support Glue the elevator joiner wire to the
elevators Glue the hinges to the elevators and stabi-
lizer in the same manner as above Attach the nylon
elevator horn and backplate to the bottom of the right
elevator with 2-56 screws Glue the aileron torque
arms into the ailerons as you glue the hinges into the
ailerons and wing trailing edge.
20. D INSTALL THE CANOPY
Cut the canopy on the cut lines scribed in
the plastic You can dye the canopy using Rit dye
Follow the instructions on the box. Remove the
canopy from the dye when the desired tint is achiev-
ed. Glue the canopy to the fuselage with Cyanoacry-
late glue. Seal the edge with striping tape.
21. D ASSEMBLE THE WHEEL PANTS
Cut and trim the wheel pant halves on their
parting lines that you find on the inside of the pants
You can score this line with an X-Acto knife and break
on the line or simply cut on the line with a knife
Sand the edges of the wheel pants smooth
An easy way to do this is to lay your sandpaper down
on a flat surface and move the pants over the sand-
paper. This way you are assured of a straight, flat
edge when you finish
Cut a starter hole in one half of each pant in
the area of the wheel opening to make it easier to cut
out the opening later after the halves are glued
together Cut the starter hole at the join line
Using Cyanoacrylate (instant glue), join the
two halves together Note that there is a right and a
left half to the wheel pant. Make sure you have a good
Reinforce the inside of the wheel pants with
fiberglass tape Cut the tape into one inch squares
You should have eight pieces of tape when you finish
cutting Use 5 minute epoxy and a piece of tape at
each of the places you sanded before Let the tape
hang out of the wheel opening. Cut the excess off
when the epoxy is dry.
22. D MOUNT THE WHEEL PANTS AND WHEELS
Mark the position of the axle hole on the inner
side of each wheel pant Drill a clearance hole at this
location for your gear wire or axle bolt See Figure 1
Mark the position of the brass plate on the
gear Do this by temporarily placing the wheel pant on
the gear Position the pant so it does not touch the
ground and is level or in the correct position for your
model Mark the position of the brass plate on the
gear and the outside of the pant Remove the wheel
pant' Solder the brass plate to the gear using Sta-
Bnte silver solder Position and solder the other brass
plate in the same manner
Position the 1/8" plywood plate on the inside
of the wheel pant opposite the brass plate on the
gear Temporarily put the wheel pant back on the gear
to find this position The ply plate is used as a back
up plate for the brass plate so do a good job of lining
these two plates up When you have the correct posi-
tions for the ply plates, use 5 minute epoxy and glue
them to the inside of the wheel pants. Let the ply
plates dry
Drill the axle hole through the ply plates in
the pants
Using the brass plate as a guide, drill two
pilot holes through the wheel pants and the ply back
up plate for the #2 x 3/8" screws
Trial fit the wheel pant assembly to the gear
by attaching screws provided, wheels and wheel collars
to hold the wheels to the gear If all is in the correct
position, remove the assembly from the gear See
Figure 2.
25